Primera sesión de entrenamientos libres del Gran Premio de Italia 2021
| Pos. | Piloto | Escuderia | Tiempo | Vueltas |
|---|---|---|---|---|
| 1 |  Lewis Hamilton |
Mercedes | 1:20.926 | 28 |
| 2 |  Max Verstappen |
Red Bull | +0.452s | 22 |
| 3 |  Valtteri Bottas |
Mercedes | +0.525s | 29 |
| 4 |  Lance Stroll |
Aston Martin | +0.750s | 23 |
| 5 |  Pierre Gasly |
Alpha Tauri | +0.793s | 28 |
| 6 |  Sebastian Vettel |
Aston Martin | +0.898s | 26 |
| 7 |  Carlos Sainz Jr. |
Ferrari | +0.988s | 26 |
| 8 | Fernando Alonso |
Alpine | +1.000s | 24 |
| 9 |  Daniel Ricciardo |
McLaren | +1.077s | 27 |
| 10 |  Sergio Pérez |
Red Bull | +1.113s | 23 |
| 11 |  Charles Leclerc |
Ferrari | +1.176s | 25 |
| 12 |  Lando Norris |
McLaren | +1.177s | 27 |
| 13 |  Antonio Giovinazzi |
Alfa Romeo | +1.344s | 26 |
| 14 |  Yuki Tsunoda |
Alpha Tauri | +1.604s | 31 |
| 15 | Esteban Ocon |
Alpine | +1.608s | 27 |
| 16 |  Robert Kubica |
Alfa Romeo | +2.083s | 28 |
| 17 | George Russell |
Williams | +2.166s | 31 |
| 18 | Nicholas Latifi |
Williams | +2.516s | 30 |
| 19 |  Nikita Mazepin |
Haas | +2.519s | 23 |
| 20 | Mick Schumacher |
Haas | +2.625s | 23 |